diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6d78690..62b52d8 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -34,7 +34,7 @@ repos:
           - aioresponses
           - pytest
           - types-requests
-          - myPyllant==0.6.4
+          - myPyllant==0.6.5
           - polyfactory
   - repo: local
     hooks:
diff --git a/custom_components/mypyllant/__init__.py b/custom_components/mypyllant/__init__.py
index 2c4f9b3..82389fe 100644
--- a/custom_components/mypyllant/__init__.py
+++ b/custom_components/mypyllant/__init__.py
@@ -9,12 +9,18 @@
 from aiohttp.client_exceptions import ClientResponseError
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import Platform
-from homeassistant.core import HomeAssistant
+from homeassistant.core import (
+    HomeAssistant,
+    SupportsResponse,
+    ServiceCall,
+    ServiceResponse,
+)
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
+
 from myPyllant.api import MyPyllantAPI
 from myPyllant.const import DEFAULT_BRAND
 from myPyllant.models import DeviceData, DeviceDataBucketResolution, System
-
+from myPyllant.tests import generate_test_data
 from .const import (
     API_DOWN_PAUSE_INTERVAL,
     DEFAULT_COUNTRY,
@@ -26,6 +32,7 @@
     OPTION_REFRESH_DELAY,
     OPTION_UPDATE_INTERVAL,
     QUOTA_PAUSE_INTERVAL,
+    SERVICE_GENERATE_TEST_DATA,
 )
 from .utils import is_quota_exceeded_exception
 
@@ -85,6 +92,22 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     hass.data[DOMAIN][entry.entry_id]["daily_data_coordinator"] = daily_data_coordinator
 
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+
+    async def handle_generate_test_data(call: ServiceCall) -> ServiceResponse:
+        return await generate_test_data.main(
+            user=username,
+            password=password,
+            brand=brand,
+            country=country,
+            write_results=False,
+        )
+
+    hass.services.async_register(
+        DOMAIN,
+        SERVICE_GENERATE_TEST_DATA,
+        handle_generate_test_data,
+        supports_response=SupportsResponse.ONLY,
+    )
     return True
 
 
diff --git a/custom_components/mypyllant/const.py b/custom_components/mypyllant/const.py
index 2b3f3b7..35ad25e 100644
--- a/custom_components/mypyllant/const.py
+++ b/custom_components/mypyllant/const.py
@@ -22,3 +22,4 @@
 SERVICE_SET_DHW_TIME_PROGRAM = "set_dhw_time_program"
 SERVICE_SET_DHW_CIRCULATION_TIME_PROGRAM = "set_dhw_circulation_time_program"
 SERVICE_SET_VENTILATION_FAN_STAGE = "set_ventilation_fan_stage"
+SERVICE_GENERATE_TEST_DATA = "generate_test_data"
diff --git a/custom_components/mypyllant/manifest.json b/custom_components/mypyllant/manifest.json
index 57110c2..fb3a3b4 100644
--- a/custom_components/mypyllant/manifest.json
+++ b/custom_components/mypyllant/manifest.json
@@ -7,6 +7,6 @@
   "integration_type": "hub",
   "iot_class": "cloud_polling",
   "issue_tracker": "https://github.com/signalkraft/mypyllant-component/issues",
-  "requirements": ["myPyllant==0.6.4"],
+  "requirements": ["myPyllant==0.6.5"],
   "version": "v0.6.1"
 }
diff --git a/dev-requirements.txt b/dev-requirements.txt
index e311665..699ff39 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -13,5 +13,5 @@ ruff~=0.1.9
 pytest==7.4.3
 pytest-cov==4.1.0
 pytest-homeassistant-custom-component==0.13.77
-myPyllant==0.6.4
+myPyllant==0.6.5
 dacite~=1.7.0
\ No newline at end of file